HerbilousOpen the interactive guideHERB PROFILE · EDUCATIONAL REFERENCE
Comfrey Root
Important safety information: Contains liver-toxic pyrrolizidine alkaloids. Do not ingest; topical use only on intact skin, for short periods, with compliant PA-controlled products and professional guidance.
Herbal actions
- Topical vulnerary
- anti-inflammatory topically
- demulcent externally
Traditional and practitioner uses
These uses are presented for historical and educational context. They are not treatment claims.
- External relief of minor sprains and bruises in authorised products
- No internal use recommended
Main constituents
Allantoin, mucilage, rosmarinic acid, tannins, pyrrolizidine alkaloids
Preparation overview
Tea: Do not drink. Comfrey root is not for internal tea. Australian restrictions are particularly strict.
Liquid extract reference: External only
Preparation strengths are not interchangeable. Open the interactive guide for the complete evidence notes and sources available for this herb.
Herbilous provides educational information only. It does not diagnose, prescribe, or replace professional medical advice. Seek urgent care for severe or worsening symptoms.